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Motu 424 24i/o problem... Any help or ideas at all appreciated.
Old 19th December 2010
Here for the gear

Motu 424 24i/o problem... Any help or ideas at all appreciated.

I'm having major problems with my motu card.. 424 PCIe with 24i/o

It crackles - badly. It's a constant crackle when any audio is playing. It also crackles when anythig is moved on screen, like when you scroll in the DAW, or even drag a window about the screen.

I've been on to Motu about this for months and they haven't been too helpfull...

I was wondering if anyone had any ideas what may be the cause.. I've tried all the obvious stuff - Fresh install of Windows 7, different PCIe slots, latest drivers, different output port on the 424 card, different firewire cables...

Fairly new computer - i7, 6gb ram, MSI x58 motherboard, Geforce GTS250 vid card....

I've had other audio interfaces and experienced no problems at all with them - Just the Motu...

If anyone can help, i'd be extremely gratefull.

Thank you

Old 20th December 2010
Lives for gear

32/64 bit?? what prog??? try changeing the buffer size...
Old 20th December 2010
Gear Nut

buffer set to 1024 over here...just moving the mouse sounds like a bandwidth issue...OK stupid but sometimes refresh works..

oh yeah what's the clock situation...internal/external?
Old 20th December 2010
Gear Nut

Try turning off "hardware acceleration" on your vid card, if available....
Also try another vid card, if possible....
I had this problem with MOTU 424/2408/24i and a Geforce 7300gt, some sort of interaction via PCIe, noise changes with color depth,resolution, etc...
Solution was an ATI card. HD2600XT
Problem solved....

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